Teacher: Tumhare papa 500 rupees loan lete hain. 10% interest ke hisab se voh 1 saal bad loan vapis karte hain. Batao kitne paise vapis karenge?
Baniya's son: Kutch bhi nahi.
Teacher: Tum maths nahi jante.
Baniya's son: Mai to maths janta hu par aap mere papa ko nahi jante.
Baniya's son: Kutch bhi nahi.
Teacher: Tum maths nahi jante.
Baniya's son: Mai to maths janta hu par aap mere papa ko nahi jante.